Overview

overview

10

Static

static

3

f028a27430...ca.exe

windows7-x64

10

f028a27430...ca.exe

windows10-2004-x64

10

Resubmissions

02-12-2024 02:16

241202-cqmawszjeq 10

02-12-2024 02:12

241202-cncnnstqcv 10

30-11-2024 13:53

241130-q7gnmavrdw 10

Analysis

  • max time kernel
    142s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2024 02:16

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General

  • Target

    f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca.exe

  • Size

    663KB

  • MD5

    7df4d51141b1c657e2c5f78ada3b526a

  • SHA1

    d0bbec49bbf722aa102e3cbd548cfec5f88dd6a8

  • SHA256

    f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca

  • SHA512

    fed221cf7f27d3e74023457c58e903e55aa14a608db36df341e8bef2b2cb751ca1fb90da1e6a091ed0fbab70347e67365398c1af51815bec1da0ff330e35b54a

  • SSDEEP

    12288:UIj+Lg10Vgi+ve+Ge5JFzLZQMDObpph0lhSMXl+XXenm1hdLQ:Uc+k18+ve+Ge53LuMKHh0lhSMXlYei

Score
10/10
defense_evasiondiscoveryevasionexecutionimpactransomware

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\READ_NOTE.html

Ransom Note
<div class="tabs1"> <div class="head"><strong>Your personal ID:</strong></div> <div class="identi"><span style="width: 1000px; color: #ffffff; font-size: 10px;">kkwstpsxHTybqfiDLR0UfwRDz81WdkpLqmyyGXvmIWNDLVR2nGuYD3qORBoVKASaz1Cj5a9ewJ54TO8I9QmMKUQI6gOgnq3vABoMHDx065f51uLYIui9gewUyaf9030Cq7UYH7smBFf/avHsrL2N3P5tMiaF6k2oyHsi81D0IzllS3EXi+z1/9StCRL4aQ11ajyaAR2Fd+VMMcNDsQ71N2og9KxlEaarS+7sS6e+3Q5/jr264E6QKRElw1j/Ig3ofm/4ljuSQWJx3JNjQuOSPHvXBaYD6/VYqV1Mvf+4V4+ZjMmvZ31eEjlqgUUXDtgHNOwjzm+68JwdBOot1EkrDQ==�</span> <br /> <!-- !!! dont changing this !!! --></div> </div> <!-- --> <div class="tabs"><!--tab--> <div class="tab"> <div id="tab-content1" class="content"> <div class="text"><!--text data --> <strong>/!\ YOUR COMPANY NETWORK HAS BEEN PENETRATED /!\</strong><br /> <strong>All your important files have been encrypted!</strong><br /><br /><hr /><span style="text-decoration: underline; background-color: #00ff00;"><em>Your files are safe! Only modified. (RSA+AES)</em></span><br /><br /> <span style="background-color: #00ff00;"><strong>ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE</strong></span><br /><span style="background-color: #00ff00;"><strong> WILL PERMANENTLY CORRUPT IT.</strong></span><br /><span style="background-color: #00ff00;"><strong> DO NOT MODIFY ENCRYPTED FILES.</strong></span><br /><span style="background-color: #00ff00;"><strong> DO NOT RENAME ENCRYPTED FILES.</strong></span><br /><br /> No software available on internet can help you. We are the only ones able to<br /> solve your problem.<br /><br /> We gathered highly confidential/personal data. These data are currently stored on<br /> a private server. This server will be immediately destroyed after your payment.<br /> If you decide to not pay, we will release your data to public or re-seller.<br /> So you can expect your data to be publicly available in the near future..<br /><br /> We only seek money and our goal is not to damage your reputation or prevent<br /> your business from running.<br /><br /> You will can send us 2-3 non-important files and we will decrypt it for free<br /> to prove we are able to give your files back.<br /> When you compose a letter, please indicate the <strong>PERSONAL ID</strong> from the beginning of the note, so that we can more specifically approach the formation of conditions for you.<br /> <!--text data --><hr /><strong>Contact us for price and get decryption software.</strong><br /><br /><hr /><strong>email:</strong><br /> <a href="[email protected]">[email protected] </a> <br /> <a href="[email protected]">[email protected] </a> <br /> <strong>OUR TOX:</strong> <a href="https://tox.chat/clients.html"> BA3779BDEE7B982BF08FC0B7B0410E6AE7CC6612B13433B60000E0757BDD682A69AD98563AEC</a> <br /> <p>* To contact us, create a new free email account on the site: <a href="https://protonmail.com">protonmail.com <br /> <strong> IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.</strong><br /></a></p> <p>*Our site and Tor-chat to always be in touch:</p> </div> </div> </div> <!--tab--> <strong> <strong><span style="background-color: #00ff00; font-size: 22px;"> <strong> xfycpauc22t5jsmfjcaz2oydrrrfy75zuk6chr32664bsscq4fgyaaqd.onion </strong></span><br /><br /> </strong><br /> <!--text data --> </strong></div> <!--tab-->
URLs

http://xfycpauc22t5jsmfjcaz2oydrrrfy75zuk6chr32664bsscq4fgyaaqd.onion

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
    ransomwareevasion
  • Renames multiple (5711) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Deletes system backups 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca.exe
        "C:\Users\Admin\AppData\Local\Temp\f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Enumerates connected drives
        • Sets desktop wallpaper using registry
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\Windows\SysWOW64\cmd.exe
          \\?\C:\Windows\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2776
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1948
            • C:\Windows\system32\vssadmin.exe
              vssadmin.exe Delete Shadows /All /Quiet
              5⤵
              • Interacts with shadow copies
              PID:2936
        • C:\Windows\SysWOW64\cmd.exe
          \\?\C:\Windows\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c wbadmin delete backup -keepVersion:0 -quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2708
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c wbadmin delete backup -keepVersion:0 -quiet
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2796
            • C:\Windows\system32\wbadmin.exe
              wbadmin delete backup -keepVersion:0 -quiet
              5⤵
              • Deletes system backups
              • Drops file in Windows directory
              PID:2568
        • C:\Windows\SysWOW64\cmd.exe
          \\?\C:\Windows\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c wmic.exe SHADOWCOPY /nointeractive"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2668
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c wmic.exe SHADOWCOPY /nointeractive"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2620
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic.exe SHADOWCOPY /nointeractive"
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2560
        • C:\Windows\SysWOW64\cmd.exe
          \\?\C:\Windows\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c bcdedit.exe /set {default} recoverynabled No
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2624
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c bcdedit.exe /set {default} recoverynabled No
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2164
            • C:\Windows\system32\bcdedit.exe
              bcdedit.exe /set {default} recoverynabled No
              5⤵
              • Modifies boot configuration data using bcdedit
              PID:2512
        • C:\Windows\system32\cipher.exe
          cipher /w:\\?\A:
          3⤵
          • Enumerates connected drives
          PID:836
        • C:\Windows\system32\cipher.exe
          cipher /w:\\?\C:
          3⤵
            PID:1656
          • C:\Windows\system32\cipher.exe
            cipher /w:\\?\F:
            3⤵
            • Enumerates connected drives
            PID:1608
        • C:\Users\Admin\AppData\Local\Temp\f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca.exe
          \\?\C:\Users\Admin\AppData\Local\Temp\f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca.exe -network -skip_misc
          2⤵
          • Enumerates connected drives
          • Checks processor information in registry
          • Suspicious use of WriteProcessMemory
          PID:2648
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c pause
            3⤵
              PID:1460
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1936

        Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\READ_NOTE.html
          Filesize

          3KB

          MD5

          af8aa9a26c08ebcb4acf733f68b6ef52

          SHA1

          b0e03418e6e494b8acf58c2f195e7278b95a6a8e

          SHA256

          8249e68e742241ffb2da9cdd731564de4f6453614a9dc33203ccae51f5c2b953

          SHA512

          d6c6dd4b60c82a55e64f1ef784a750ac56d06f2ad7e9c7e25124b9e6ebed655fed078f41cefa651161b8f9d6a53f3e3489cecd27d5cc13560ba2caeee8fb9114

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        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
          Filesize

          1KB

          MD5

          67e486b2f148a3fca863728242b6273e

          SHA1

          452a84c183d7ea5b7c015b597e94af8eef66d44a

          SHA256

          facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

          SHA512

          d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

          Download Submit

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
          Filesize

          436B

          MD5

          971c514f84bba0785f80aa1c23edfd79

          SHA1

          732acea710a87530c6b08ecdf32a110d254a54c8

          SHA256

          f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

          SHA512

          43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

          Download Submit

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
          Filesize

          174B

          MD5

          090359b61aaf20571a6cbd803eb95379

          SHA1

          552047f322817a159878e0116ba7caf5900e0bda

          SHA256

          2c6a9d19957fab38591bbb677ed90860ba6ddaaa8301263c90387dca23cac6ad

          SHA512

          e63691a9ae8763d7a5bbc850e497d2c7c5750ea172ab85734c764e61bf9f795b64f437db6b2fb4ad837b2274b777243aacc33d79439906659706998700c13d8f

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        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
          Filesize

          170B

          MD5

          8dc5102bafd89c832c93256c375e56b1

          SHA1

          8119cb12c0d3d3301363cdcb86a7e1ad6afefbcd

          SHA256

          21134a9073649bea97937ca38ce9a84f6280c2d9d7e1a3b5ec1fb6b3f0bd7bf0

          SHA512

          d877918cdc585538c45c23a524fc5b7e3a21821459e237c5d72c552edd21ec2d5dce46320add088d7936d7c077666c768dde7ffea9941dba9b5c6f7e7700a12f

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        • C:\Users\Admin\AppData\Local\Temp\CabCA70.tmp
          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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        • C:\Users\Admin\AppData\Local\Temp\external_ip.wehavesolution247
          Filesize

          14B

          MD5

          2c807857a435aa8554d595bd14ed35d1

          SHA1

          9003a73beceab3d1b1cd65614347c33117041a95

          SHA256

          3c4fae56f61b7cdf09709c2aaf65ca47d3bf9077b1e5eb0eb1e6c5c34923eb9b

          SHA512

          95c6fa9f5b342ef34d896f083700ee12d55723e24aff42805bac5c1aa73f07d0db4f9d435d31a61da187edc2336252dfb38529b3f2b1d2039aa2a8e65d64a7a9

          Download Submit